Osprey Aura AG 50 Backpack vs Osprey Exos 58 Backpack

Editorial Team
Last modified at May 17, 2026
When choosing a backpack for long treks, comfort and durability are key. The Osprey Aura AG 50 and Osprey Exos 58 are both popular choices, but they cater to slightly different needs. The Aura AG 50 is known for its exceptional comfort and stability, while the Exos 58 is praised for its ventilation and lightweight design. Let's dive into the details to help you decide which backpack is the best fit for your adventures.

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Osprey Aura AG 50 BackpackOsprey Exos 58 Backpack
Osprey Aura AG 50 Backpack
Osprey Exos 58 Backpack
Capacity

3051 cu in

S/M: 3539 cu in L/XL: 3722 cu in

Weight

4.291 lb

S/M: 2.84 lb L/XL: 2.941 lb

Material

Main: bluesign® approved recycled 210D honeycomb nylon, PFC/PFAS-free DWR
Lining: bluesign® approved recycled 210D high tenacity nylon, PFC/PFAS-free DWR
Bottom: bluesign® approved recycled 500D high tenacity nylon, PFC/PFAS-free DWR

bluesign® APPROVED recycled 100D high tenacity nylon ripstop, PFC/PFAS-free DWR (main); bluesign® APPROVED recycled 400D high tenacity nylon, PFC/PFAS-free DWR (lining); bluesign® APPROVED recycled 100D high tenacity nylon ripstop, PFC/PFAS-free DWR (bottom)

Frame Type

AntiGravity suspension

AirSpeed® suspension with injection-molded ladder adjustment system

Volume

3051 cu in

S/M: 3539 cu in L/XL: 3722 cu in

Warranty

Lifetime

Lifetime

Hip Belt Size

N/A

N/A

Number Of Pockets

Main: 1
Top Lid: 1
Front Shove-It: 1
Side Water Bottle: 2
Hipbelt: 2
Sleeping Bag Compartment: 1

6 (top lid x2, hipbelt x2, front stretch mesh x1, side stretch mesh x2)

Load Lifters

Yes

Yes

Compression Straps

Dual upper/lower side compression straps

Dual strippable side compression straps

Sternum Strap

Yes

Yes, with integrated safety whistle

Hydration Sleeve

Yes, internal with center back exit port

Yes, internal with center back hose port

Rain Cover

Yes, included

Reservoir 3.2 qt Raincover L

Comfort

Osprey Aura AG 50 Backpack

4.8/ 5.0

Osprey Exos 58 Backpack

4.4/ 5.0

Comfort is crucial for backpacking, as it directly impacts your endurance and enjoyment on long treks. A comfortable backpack ensures that weight is evenly distributed, reducing strain on your shoulders and hips. The Osprey Aura AG 50 excels in this category with its Anti-Gravity suspension system, which provides excellent weight distribution and breathability. The Aura AG 50's adjustable harness and hip belt, along with its anti-gravity mesh, make it exceptionally comfortable, with no pressure points and excellent ventilation. The Osprey Exos 58 also offers a comfortable fit with its AirSpeed suspension system and mesh back panel, ensuring a dry and comfortable fit. However, the Aura AG 50's superior weight distribution and additional padding give it the edge in comfort.

Durability

Osprey Aura AG 50 Backpack

4.4/ 5.0

Osprey Exos 58 Backpack

3.3/ 5.0

Durability is essential for a backpack that will withstand the rigors of long treks and rough conditions. A durable backpack ensures that your gear remains secure and the pack itself lasts for many adventures. The Osprey Aura AG 50 is built with high-quality materials, including reinforced seams and durable zippers, making it a robust choice. The Exos 58, while using durable materials like 100D and 400D nylon ripstop, has some reports of wear and tear after minimal use, suggesting it may require more careful handling. The Aura AG 50's consistent positive feedback on durability makes it the clear winner in this category.

Stability

Osprey Aura AG 50 Backpack

4.3/ 5.0

Osprey Exos 58 Backpack

2.9/ 5.0

Stability is important for maintaining balance and comfort, especially on uneven terrain. A stable backpack keeps the load balanced and secure, reducing the risk of strain or injury. The Osprey Aura AG 50 shines in this area with its light wire frame and hip belt overlay, providing excellent stability and load transfer to the hips. The Exos 58, while featuring load lifters and a frame, may experience some swaying or off-balance issues due to its lightweight design. The Aura AG 50's superior stability features make it the better choice for those prioritizing a secure and balanced carry.

Ventilation

Osprey Aura AG 50 Backpack

4.7/ 5.0

Osprey Exos 58 Backpack

4.8/ 5.0

Ventilation is key to keeping you cool and dry during strenuous hikes. A well-ventilated backpack reduces sweat and discomfort, enhancing your overall experience. Both the Osprey Aura AG 50 and the Exos 58 excel in ventilation, with mesh back panels and advanced suspension systems. The Aura AG 50's anti-gravity technology and the Exos 58's AirSpeed suspension system both offer excellent airflow and breathability. Given the high praise for both, this category is a tie, as both backpacks provide outstanding ventilation.

Adjustability

Osprey Aura AG 50 Backpack

4.7/ 5.0

Osprey Exos 58 Backpack

4.1/ 5.0

Adjustability ensures that a backpack can be customized to fit your body perfectly, enhancing comfort and performance. The Osprey Aura AG 50 offers a range of sizes and on-the-fly adjustments, making it easy to customize for a perfect fit on any body type. The Exos 58 also provides adjustable features like the molded ladder system and adjustable sternum strap, allowing for easy torso and hip belt adjustments. While both backpacks offer excellent adjustability, the Aura AG 50's range of sizes and additional adjustment features give it a slight edge.

Organization

Osprey Aura AG 50 Backpack

4.9/ 5.0

Osprey Exos 58 Backpack

4.3/ 5.0

Organization is crucial for easy access to your gear and efficient packing. A well-organized backpack makes it simple to find and reach your essentials quickly. The Osprey Aura AG 50 stands out with its thoughtful design, including multiple pockets and compartments, a detachable lid, and hip belt pockets. The Exos 58 also offers thoughtful organization with multiple pockets, including hip belt pockets and a removable brain. However, the Aura AG 50's additional pockets and compartments make it the winner in this category, providing more options for organizing and accessing gear effortlessly.

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Conclusion & Final Verdict:

After comparing the Osprey Aura AG 50 and Osprey Exos 58 backpacks, the Aura AG 50 emerges as the overall winner. It excels in comfort, durability, stability, adjustability, and organization, making it a superior choice for long treks. While the Exos 58 offers excellent ventilation and a lighter weight, the Aura AG 50's comprehensive features and robust construction make it the better investment for serious backpackers.

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